[tkreuzer] 40319: Implement delayed deletion of gdi objects. This is quite hacky and not 100% correct, but should hopefully fix the "Too many objects for process!!!" problem for now.

Author: tkreuzer
Date: Wed Apr  1 21:32:06 2009
New Revision: 40319

URL: http://svn.reactos.org/svn/reactos?rev=40319&view=rev
Log:
Implement delayed deletion of gdi objects. This is quite hacky and not 100% correct, but
should hopefully fix the "Too many objects for process!!!" problem for now.

Modified:
    trunk/reactos/subsystems/win32/win32k/include/gdiobj.h
    trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c

Modified: trunk/reactos/subsystems/win32/win32k/include/gdiobj.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/in…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/gdiobj.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/include/gdiobj.h [iso-8859-1] Wed Apr  1
21:32:06 2009
@@ -54,7 +54,10 @@
 
 enum BASEFLAGS
 {
-    BASEFLAG_LOOKASIDE = 0x80
+    BASEFLAG_LOOKASIDE = 0x80,
+
+    /* ReactOS specific: */
+    BASEFLAG_READY_TO_DIE = 0x1000
 };
 
 BOOL    INTERNAL_CALL GDIOBJ_OwnedByCurrentProcess(HGDIOBJ ObjectHandle);
@@ -103,8 +106,14 @@
 FORCEINLINE
 GDIOBJ_ShareUnlockObjByPtr(POBJ Object)
 {
+    HGDIOBJ hobj = Object->hHmgr;
+    USHORT flags = Object->BaseFlags;
     INT cLocks = InterlockedDecrement((PLONG)&Object->ulShareCount);
     ASSERT(cLocks >= 0);
+    if ((flags & BASEFLAG_READY_TO_DIE) && (cLocks == 0))
+    {
+        GDIOBJ_FreeObjByHandle(hobj, GDI_OBJECT_TYPE_DONTCARE);
+    }
     return cLocks;
 }
 

Modified: trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/gdiobj.c [iso-8859-1] Wed Apr  1
21:32:06 2009
@@ -574,6 +574,7 @@
             }
             else if (Object->ulShareCount != 0)
             {
+                Object->BaseFlags |= BASEFLAG_READY_TO_DIE;
                 DPRINT("Object %p, ulShareCount = %d\n", Object->hHmgr,
Object->ulShareCount);
                 GDIDBG_TRACECALLER();
                 GDIDBG_TRACESHARELOCKER(GDI_HANDLE_GET_INDEX(hObj));